Triglav - javascript based RPG
http://www.smokymonkeys.com/triglav
This is one of the first and more classic examples of what one can do via DHTML. What’s even more amazing is that this site is over 6 years old! Come on folks, surely someone can improve upon this in 6 years! 
That’s what this site is all about.
Tagged as javascript, webrpg + Categorized as web rpgs